Things rank and gross in nature: A review and synthesis of moral disgust.

Much like unpalatable foods, filthy restrooms, and bloody wounds, moral transgressions are often described as "disgusting." This linguistic similarity suggests that there is a link between moral disgust and more rudimentary forms of disgust associated with toxicity and disease. Critics have argued, however, that such references are purely metaphorical, or that moral disgust may be limited to transgressions that remind us of more basic disgust...